142340244234321 has 16 divisors (see below), whose sum is σ = 216924856838144. Its totient is φ = 81327743524944.

The previous prime is 142340244234263. The next prime is 142340244234359. The reversal of 142340244234321 is 123432442043241.

It is not a de Polignac number, because 142340244234321 - 2⁷ = 142340244234193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142340244234321.

It is not an unprimeable number, because it can be changed into a prime (142340244230321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397270615 + ... + 397628748.

It is an arithmetic number, because the mean of its divisors is an integer number (13557803552384).

Almost surely, 2^{142340244234321} is an apocalyptic number.

It is an amenable number.

142340244234321 is a deficient number, since it is larger than the sum of its proper divisors (74584612603823).

142340244234321 is an equidigital number, since it uses as much as digits as its factorization.

142340244234321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794907900.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 142340244234321 its reverse (123432442043241), we get a palindrome (265772686277562).

The spelling of 142340244234321 in words is "one hundred forty-two trillion, three hundred forty billion, two hundred forty-four million, two hundred thirty-four thousand, three hundred twenty-one".